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EMPLOYEE AND DIRECTOR EQUITY INCENTIVE PLANS (Details)
6 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Expected life of option (years) 4 years 4 years
Risk-free interest rate, minimum 0.93% 1.14%
Risk-free interest rate, maximum 1.14% 1.38%
Assumed volatility, minimum 104.69% 100.77%
Assumed volatility, maximum 108.35% 101.70%
Expected dividend rate 0.00% 0.00%
Expected forfeiture rate, minimum 7.42% 6.23%
Expected forfeiture rate, maximum 9.18% 7.97%